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	1.	Frequency of inhibitors of daphnid trypsin in the widely distributed cyanobacterial genus Planktothrix. [electronic resource] by Rohrlack, Thomas Christoffersen, Kirsten Friberg-Jensen, Ursula Producer: 20051101 In: Environmental microbiology vol. 7 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Early signs of lethal effects in Daphnia magna (Branchiopoda, Cladocera) exposed to the insecticide cypermethrin and the fungicide azoxystrobin. [electronic resource] by Friberg-Jensen, Ursula Nachman, Gösta Christoffersen, Kirsten S Producer: 20110131 In: Environmental toxicology and chemistry vol. 29 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Effects of the pyrethroid insecticide cypermethrin on a freshwater community studied under field conditions. II. Direct and indirect effects on the species composition. [electronic resource] by Wendt-Rasch, Lina Friberg-Jensen, Ursula Woin, Per Christoffersen, Kirsten Producer: 20030820 In: Aquatic toxicology (Amsterdam, Netherlands) vol. 63 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Effects of the pyrethroid insecticide, cypermethrin, on a freshwater community studied under field conditions. I. Direct and indirect effects on abundance measures of organisms at different trophic levels. [electronic resource] by Friberg-Jensen, Ursula Wendt-Rasch, Lina Woin, Per Christoffersen, Kirsten Producer: 20030820 In: Aquatic toxicology (Amsterdam, Netherlands) vol. 63 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)